cdngroup.dk

📜 Historical scan 2026-08-31 18:28:12  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cdngroup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.58 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   49ms

🌍 A Records#

1 records   48ms

📧 MX Records#

4 records   51ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.30.215.58
🔶 Autoconfig46.30.215.58

🔷 AAAA Records (IPv6)#

1 records   40ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   189ms
TXT Record
v=spf1 -all
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (cdngroup.dk)
-all (hard fail) v=spf1 -all
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.cdngroup.dk)
p=reject v=DMARC1; p=reject

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 08:11:03
www46.30.215.58 2a02:2350:5:10e:80d7:699b:6b25:e5e5 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

4 records   90ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC#

81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026042616
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-05 14:39:50
FieldValue
RegistrarONE.COM A/S
Registered2023-10-28
Expires2026-10-27 (7d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
48ms
MX
51ms
AAAA
40ms
TXT
189ms
CAA
54ms
HTTPS
37ms
TLSA
90ms
SOA
0ms
MTA-STS
68ms
DNSSEC
81ms
SRV
75ms
Total
692ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 08:11:03 548ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-05 14:23:04 606ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-24 13:06:36 706ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-31 18:28:12 shown 692ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-02 13:21:02 10129ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 10:40:46 2422ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 15:56:20 640ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 19:55:36 689ms 2 NS 1 A 4 MX 🔒 Secure
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